diff --git a/server/mailserver/controller/mail.go b/server/mailserver/controller/mail.go
index ba564498..e7ab0ba4 100644
--- a/server/mailserver/controller/mail.go
+++ b/server/mailserver/controller/mail.go
@@ -66,6 +66,8 @@ func mail_getAttachment(c *gin.Context) {
 	hum.UnLock()
 	apiUrl := mt.Table.Config.GetGameApiUrl()
 	params := make(map[string]string)
+	params["c"] = "Mail"
+	params["a"] = "getAttachment"
 	f5.GetHttpCliMgr().SyncSendGoStyleRequest(
 		apiUrl,
 		params,